sun.jvm.hotspot.oops

Class DataLayout

java.lang.Object

sun.jvm.hotspot.oops.DataLayout

public class DataLayout
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	bitDataTag
static int	branchDataTag
static int	counterDataTag
static int	counterIncrement
static int	firstFlag
static int	flagLimit
static int	flagMask
static int	jumpDataTag
static int	multiBranchDataTag
static int	noTag
static int	receiverTypeDataTag
static int	retDataTag
static int	trapBits
static int	trapMask
static int	trapMaskInPlace
static int	trapShift
static int	virtualCallDataTag

Constructor Summary

Constructors

Constructor and Description
DataLayout(Address d, int o)
DataLayout(MethodData d, int o)

Method Summary

Modifier and Type	Method and Description
Address	addressAt(int index)
static int	cellOffset(int index)
int	dp()
int	tag()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

noTag

public static final int noTag

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Constant Field Values

bitDataTag

public static final int bitDataTag

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Constant Field Values

counterDataTag

public static final int counterDataTag

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Constant Field Values

jumpDataTag

public static final int jumpDataTag

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Constant Field Values

receiverTypeDataTag

public static final int receiverTypeDataTag

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Constant Field Values

virtualCallDataTag

public static final int virtualCallDataTag

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Constant Field Values

retDataTag

public static final int retDataTag

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Constant Field Values

branchDataTag

public static final int branchDataTag

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Constant Field Values

multiBranchDataTag

public static final int multiBranchDataTag

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Constant Field Values

trapBits

public static final int trapBits

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Constant Field Values

trapShift

public static final int trapShift

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Constant Field Values

trapMask

public static final int trapMask

trapMaskInPlace

public static final int trapMaskInPlace

flagLimit

public static final int flagLimit

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Constant Field Values

flagMask

public static final int flagMask

firstFlag

public static final int firstFlag

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Constant Field Values

counterIncrement

public static final int counterIncrement

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Constant Field Values

Constructor Detail

DataLayout

public DataLayout(MethodData d,
                  int o)

DataLayout

public DataLayout(Address d,
                  int o)

Method Detail

dp

public int dp()

addressAt

public Address addressAt(int index)

tag

public int tag()

cellOffset

public static int cellOffset(int index)